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Adding support for PostgreSQL's CustomOperator(String) #1299

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Adding support for PostgreSQL's CustomOperator(String) #1299

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20 changes: 19 additions & 1 deletion src/ast/operator.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -240,6 +240,18 @@ pub enum BinaryOperator {
/// See [CREATE OPERATOR](https://www.postgresql.org/docs/current/sql-createoperator.html)
/// for more information.
PGCustomBinaryOperator(Vec<String>),
/// PGroonga Full text search by a keyword operator, e.g. `a &@ b` (PGroonga-specific. See <https://pgroonga.github.io/reference/>)
PGroongaFullTextSearch,
/// PGroonga Full text search by easy to use query language operator, e.g. `a &@~ b` (PGroonga-specific. See <https://pgroonga.github.io/reference/>)
PGroongaEasyQuerySearch,
/// PGroonga Similar search operator, e.g. `a &@* b` (PGroonga-specific. See <https://pgroonga.github.io/reference/>)
PGroongaSimilarSearch,
/// PGroonga Advanced search by ECMAScript like query language operator, e.g. `a &` b` (PGroonga-specific. See <https://pgroonga.github.io/reference/>)
PGroongaAdvancedSearch,
/// PGroonga Full text search by an array of keywords operator, e.g. `a &@| b` (PGroonga-specific. See <https://pgroonga.github.io/reference/>)
PGroongaArrayKeywordSearch,
/// PGroonga Full text search by an array of queries in easy to use query language operator, e.g. `a &@~| b` (PGroonga-specific. See <https://pgroonga.github.io/reference/>)
PGroongaArrayQuerySearch,
}

impl fmt::Display for BinaryOperator {
Expand Down Expand Up @@ -295,7 +307,13 @@ impl fmt::Display for BinaryOperator {
BinaryOperator::QuestionPipe => f.write_str("?|"),
BinaryOperator::PGCustomBinaryOperator(idents) => {
write!(f, "OPERATOR({})", display_separated(idents, "."))
}
},
BinaryOperator::PGroongaFullTextSearch => f.write_str("&@"),
BinaryOperator::PGroongaEasyQuerySearch => f.write_str("&@~"),
BinaryOperator::PGroongaSimilarSearch => f.write_str("&@*"),
BinaryOperator::PGroongaAdvancedSearch => f.write_str("&`"),
BinaryOperator::PGroongaArrayKeywordSearch => f.write_str("&@|"),
BinaryOperator::PGroongaArrayQuerySearch => f.write_str("&@~|"),
}
}
}